Enhancement and binarization algorithm are the emphases among them. According to fingerprint feature, orientation map is calculated, and image is denoised by orientation filters.

重点研究图像的预处理增强算法和二值化算法，根据指纹图像的方向性信息求出方向图，并利用方向滤波器对原图像进行滤波去噪。

youdao

William Codjo (Benin) are providing their recognised expertise to the policy's development as well as that of a dedicated action plan and road map that will set the future orientation for legal and institutional frameworks.

UNESCO: Technical Assistance in Cultural Governance

The two experts are providing their recognised expertise to the policy's development as well as that of a dedicated action plan and road map that will set the future orientation for legal and institutional frameworks.

UNESCO: MEDIA SERVICES

The capacitive display can recognize orientation, letting you drop the controller in any position throughout the surface, then outputting a map to match.

ENGADGET: Droplet and StackAR bring physical interface to virtual experiences, communicate through light (hands-on)